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    <title>Interrupt on RuChen</title>
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    <description>Recent content in Interrupt on RuChen</description>
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    <managingEditor>2510889344@qq.com (RuChen)</managingEditor>
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      <title>UART 异步收发闭环：从帧状态机到软件缓冲</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l022-uart-rx-tx-loop/</link>
      <pubDate>Mon, 05 Oct 2026 17:52:01 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l022-uart-rx-tx-loop/</guid>
      <description>建立可迁移的 UART 异步串行收发模型：学习者能解释帧边界与接收状态机，区分外设事件、软件缓冲和应用消费，并用 Host Fake 验证正常流、分段到达、缓冲溢出、帧错误恢复和 TX 捕获；不把主机逻辑当作 STM32 硬件证据。</description>
      
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      <title>定时器时间基准与观察路径：从 Host Fake 到 STM32 资料核对</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l021-timer-timebase/</link>
      <pubDate>Mon, 05 Oct 2026 17:02:39 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l021-timer-timebase/</guid>
      <description>建立可迁移的定时器时间基准模型：学习者能从时钟、计数器和周期边界推导更新事件，并区分轮询、定时器中断与输出观察路径；能用 Host Fake 验证事件间隔和计数边界，但不把主机结果当作 STM32 硬件时序证据。</description>
      
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      <title>向量表：按编号找到处理程序入口</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l012-vector-table/</link>
      <pubDate>Thu, 01 Oct 2026 20:53:30 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l012-vector-table/</guid>
      <description>用一个不冒充硬件的 Host Fake 验证异常或中断编号如何查找向量表项并选择抽象处理程序，同时区分该模型与主机普通函数调用。</description>
      
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